51412589 has 2 divisors, whose sum is σ = 51412590. Its totient is φ = 51412588.

The previous prime is 51412583. The next prime is 51412637. The reversal of 51412589 is 98521415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50879689 + 532900 = 7133^2 + 730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51412589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51412583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25706294 + 25706295.

It is an arithmetic number, because the mean of its divisors is an integer number (25706295).

Almost surely, 2^51412589 is an apocalyptic number.

It is an amenable number.

51412589 is a deficient number, since it is larger than the sum of its proper divisors (1).

51412589 is an equidigital number, since it uses as much as digits as its factorization.

51412589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 35.

The square root of 51412589 is about 7170.2572478259. The cubic root of 51412589 is about 371.8403296915.

It can be divided in two parts, 514 and 12589, that multiplied together give a palindrome (6470746).

The spelling of 51412589 in words is "fifty-one million, four hundred twelve thousand, five hundred eighty-nine".